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CLEARING OPERATIONS - Narrative (Details) - EuroCCP - item	1 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2021
Clearing Operations
Number of European markets	6	18
Number of central counterparties		2
Default and liquid waterfalls regulatory capital		25.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The percent of own regulatory capital is used for clearing the default and liquid waterfalls participants.

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No definition available.

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- Definition

Represents the number of other central counterparties with whom interoperable arrangements are made.

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- Definition

Represents the number of european markets in which equity is cleared.

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No definition available.

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